RANKING · 2020 CENSUS · 44 SHOWN OF 44

Largest Swedish population, Idaho counties · 2020

Idaho counties ranked by the number of residents who are Swedish ancestry, from the 2023 American Community Survey detailed-origin tables. Each list covers the full eligible universe; download the complete data as CSV. This list covers the 44 counties in Idaho that qualify, ranked against each other statewide.

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SAME RANKING BYCities States Metros

RELATEDLargest American population Highest American population share Largest Arab population Highest Arab population share Largest Egyptian population Highest Egyptian population share

YEAR2010 2020 2024

RANKPLACESTATEPOPSWEDISH POPULATIONVS 2000

01Ada County, IDID546,14112,238–

02Canyon County, IDID275,1235,334–

03Bonneville County, IDID135,7714,878–

04Kootenai County, IDID191,8644,199–

05Bannock County, IDID91,5912,981–

06Twin Falls County, IDID97,5392,045–

07Latah County, IDID41,8421,565–

08Madison County, IDID55,1721,529–

09Bonner County, IDID54,4201,472–

10Nez Perce County, IDID42,9051,172–

11Jefferson County, IDID35,2971,167–

12Bingham County, IDID51,1531,129–

13Cassia County, IDID26,397983–

14Fremont County, IDID14,208676–

15Idaho County, IDID17,874630–

16Elmore County, IDID29,465607–

17Teton County, IDID13,254515–

18Shoshone County, IDID14,130483–

19Jerome County, IDID26,362394–

20Minidoka County, IDID22,911393–

21Caribou County, IDID7,252367–

22Blaine County, IDID25,517366–

23Payette County, IDID27,824366–

24Bear Lake County, IDID6,727343–

25Franklin County, IDID15,889342–

26Boundary County, IDID13,997341–

27Lemhi County, IDID8,474320–

28Owyhee County, IDID12,661312–

29Gem County, IDID21,773280–

30Clearwater County, IDID9,118271–

31Benewah County, IDID10,508252–

32Washington County, IDID11,583211–

33Valley County, IDID12,831205–

34Oneida County, IDID5,085142–

35Lewis County, IDID3,704107–

36Gooding County, IDID16,44690–

37Boise County, IDID8,54587–

38Custer County, IDID4,63685–

39Adams County, IDID5,01371–

40Power County, IDID8,24670–

41Butte County, IDID2,78354–

42Lincoln County, IDID5,60337–

43Camas County, IDID1,31630–

44Clark County, IDID78312–

SHOWING 1–44 OF 44

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UPDATED 2026-06-06 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES